67238420 has 24 divisors (see below), whose sum is σ = 143192448. Its totient is φ = 26516000.

The previous prime is 67238419. The next prime is 67238447. The reversal of 67238420 is 2483276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22256 + ... + 25095.

It is an arithmetic number, because the mean of its divisors is an integer number (5966352).

Almost surely, 2^67238420 is an apocalyptic number.

It is an amenable number.

67238420 is an abundant number, since it is smaller than the sum of its proper divisors (75954028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67238420 is a wasteful number, since it uses less digits than its factorization.

67238420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47431 (or 47429 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 67238420 is about 8199.9036579706. The cubic root of 67238420 is about 406.6360080204.

The spelling of 67238420 in words is "sixty-seven million, two hundred thirty-eight thousand, four hundred twenty".